The marriage experience of a princess from the Western Regions. When the two countries went to war, Princess Shangguan Yuying of Xiliang had to go to Dayan to get married. Later, Shangguan Yuying became the concubine of the Qing Dynasty. Shangguan Yuying was not born to be restrained, so she was willing to be trapped in the harem. Xiao Jingheng had not yet let go of the late empress, so the two fell in love and killed each other.